//
//===----------------------------------------------------------------------===//
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/PathV2.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/ConvertUTF.h"
+#include "llvm/Support/Errc.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
-
#include "gtest/gtest.h"
+#ifdef LLVM_ON_WIN32
+#include <windows.h>
+#include <winerror.h>
+#endif
+
+#ifdef LLVM_ON_UNIX
+#include <sys/stat.h>
+#endif
+
using namespace llvm;
using namespace llvm::sys;
-#define ASSERT_NO_ERROR(x) \
- if (error_code ASSERT_NO_ERROR_ec = x) { \
- SmallString<128> MessageStorage; \
- raw_svector_ostream Message(MessageStorage); \
- Message << #x ": did not return errc::success.\n" \
- << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
- << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
- GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
- } else {}
+#define ASSERT_NO_ERROR(x) \
+ if (std::error_code ASSERT_NO_ERROR_ec = x) { \
+ SmallString<128> MessageStorage; \
+ raw_svector_ostream Message(MessageStorage); \
+ Message << #x ": did not return errc::success.\n" \
+ << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
+ << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
+ GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
+ } else { \
+ }
namespace {
+TEST(is_separator, Works) {
+ EXPECT_TRUE(path::is_separator('/'));
+ EXPECT_FALSE(path::is_separator('\0'));
+ EXPECT_FALSE(path::is_separator('-'));
+ EXPECT_FALSE(path::is_separator(' '));
+
+#ifdef LLVM_ON_WIN32
+ EXPECT_TRUE(path::is_separator('\\'));
+#else
+ EXPECT_FALSE(path::is_separator('\\'));
+#endif
+}
+
TEST(Support, Path) {
SmallVector<StringRef, 40> paths;
paths.push_back("");
paths.push_back("c:\\foo/");
paths.push_back("c:/foo\\bar");
+ SmallVector<StringRef, 5> ComponentStack;
for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(),
e = paths.end();
i != e;
ci != ce;
++ci) {
ASSERT_FALSE(ci->empty());
+ ComponentStack.push_back(*ci);
}
-#if 0 // Valgrind is whining about this.
- outs() << " Reverse Iteration: [";
for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
ce = sys::path::rend(*i);
ci != ce;
++ci) {
- outs() << *ci << ',';
+ ASSERT_TRUE(*ci == ComponentStack.back());
+ ComponentStack.pop_back();
}
- outs() << "]\n";
-#endif
+ ASSERT_TRUE(ComponentStack.empty());
path::has_root_path(*i);
path::root_path(*i);
StringRef filename(temp_store.begin(), temp_store.size()), stem, ext;
stem = path::stem(filename);
ext = path::extension(filename);
- EXPECT_EQ(*(--sys::path::end(filename)), (stem + ext).str());
+ EXPECT_EQ(*sys::path::rbegin(filename), (stem + ext).str());
path::native(*i, temp_store);
}
+
+ SmallString<32> Relative("foo.cpp");
+ ASSERT_NO_ERROR(sys::fs::make_absolute("/root", Relative));
+ Relative[5] = '/'; // Fix up windows paths.
+ ASSERT_EQ("/root/foo.cpp", Relative);
+}
+
+TEST(Support, RelativePathIterator) {
+ SmallString<64> Path(StringRef("c/d/e/foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, RelativePathDotIterator) {
+ SmallString<64> Path(StringRef(".c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, AbsolutePathIterator) {
+ SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ // The root path will also be a component when iterating
+ ExpectedPathComponents[0] = "/";
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+TEST(Support, AbsolutePathDotIterator) {
+ SmallString<64> Path(StringRef("/.c/.d/../."));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, '/');
+
+ // The root path will also be a component when iterating
+ ExpectedPathComponents[0] = "/";
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+
+#ifdef LLVM_ON_WIN32
+TEST(Support, AbsolutePathIteratorWin32) {
+ SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
+ typedef SmallVector<StringRef, 4> PathComponents;
+ PathComponents ExpectedPathComponents;
+ PathComponents ActualPathComponents;
+
+ StringRef(Path).split(ExpectedPathComponents, "\\");
+
+ // The root path (which comes after the drive name) will also be a component
+ // when iterating.
+ ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\");
+
+ for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
+ ++I) {
+ ActualPathComponents.push_back(*I);
+ }
+
+ ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
+
+ for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
+ EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
+ }
+}
+#endif // LLVM_ON_WIN32
+
+TEST(Support, AbsolutePathIteratorEnd) {
+ // Trailing slashes are converted to '.' unless they are part of the root path.
+ SmallVector<StringRef, 4> Paths;
+ Paths.push_back("/foo/");
+ Paths.push_back("/foo//");
+ Paths.push_back("//net//");
+#ifdef LLVM_ON_WIN32
+ Paths.push_back("c:\\\\");
+#endif
+
+ for (StringRef Path : Paths) {
+ StringRef LastComponent = *path::rbegin(Path);
+ EXPECT_EQ(".", LastComponent);
+ }
+
+ SmallVector<StringRef, 3> RootPaths;
+ RootPaths.push_back("/");
+ RootPaths.push_back("//net/");
+#ifdef LLVM_ON_WIN32
+ RootPaths.push_back("c:\\");
+#endif
+
+ for (StringRef Path : RootPaths) {
+ StringRef LastComponent = *path::rbegin(Path);
+ EXPECT_EQ(1u, LastComponent.size());
+ EXPECT_TRUE(path::is_separator(LastComponent[0]));
+ }
+}
+
+TEST(Support, HomeDirectory) {
+ std::string expected;
+#ifdef LLVM_ON_WIN32
+ if (wchar_t const *path = ::_wgetenv(L"USERPROFILE")) {
+ auto pathLen = ::wcslen(path);
+ ArrayRef<char> ref{reinterpret_cast<char const *>(path),
+ pathLen * sizeof(wchar_t)};
+ convertUTF16ToUTF8String(ref, expected);
+ }
+#else
+ if (char const *path = ::getenv("HOME"))
+ expected = path;
+#endif
+ // Do not try to test it if we don't know what to expect.
+ // On Windows we use something better than env vars.
+ if (!expected.empty()) {
+ SmallString<128> HomeDir;
+ auto status = path::home_directory(HomeDir);
+ EXPECT_TRUE(status);
+ EXPECT_EQ(expected, HomeDir);
+ }
+}
+
+TEST(Support, UserCacheDirectory) {
+ SmallString<13> CacheDir;
+ SmallString<20> CacheDir2;
+ auto Status = path::user_cache_directory(CacheDir, "");
+ EXPECT_TRUE(Status ^ CacheDir.empty());
+
+ if (Status) {
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "")); // should succeed
+ EXPECT_EQ(CacheDir, CacheDir2); // and return same paths
+
+ EXPECT_TRUE(path::user_cache_directory(CacheDir, "A", "B", "file.c"));
+ auto It = path::rbegin(CacheDir);
+ EXPECT_EQ("file.c", *It);
+ EXPECT_EQ("B", *++It);
+ EXPECT_EQ("A", *++It);
+ auto ParentDir = *++It;
+
+ // Test Unicode: "<user_cache_dir>/(pi)r^2/aleth.0"
+ EXPECT_TRUE(path::user_cache_directory(CacheDir2, "\xCF\x80r\xC2\xB2",
+ "\xE2\x84\xB5.0"));
+ auto It2 = path::rbegin(CacheDir2);
+ EXPECT_EQ("\xE2\x84\xB5.0", *It2);
+ EXPECT_EQ("\xCF\x80r\xC2\xB2", *++It2);
+ auto ParentDir2 = *++It2;
+
+ EXPECT_EQ(ParentDir, ParentDir2);
+ }
}
class FileSystemTest : public testing::Test {
protected:
/// Unique temporary directory in which all created filesystem entities must
- /// be placed. It is recursively removed at the end of each test.
+ /// be placed. It is removed at the end of each test (must be empty).
SmallString<128> TestDirectory;
- virtual void SetUp() {
- int fd;
+ void SetUp() override {
ASSERT_NO_ERROR(
- fs::unique_file("file-system-test-%%-%%-%%-%%/test-directory.anchor", fd,
- TestDirectory));
+ fs::createUniqueDirectory("file-system-test", TestDirectory));
// We don't care about this specific file.
- ::close(fd);
- TestDirectory = path::parent_path(TestDirectory);
errs() << "Test Directory: " << TestDirectory << '\n';
errs().flush();
}
- virtual void TearDown() {
- uint32_t removed;
- ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), removed));
- }
+ void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); }
};
+TEST_F(FileSystemTest, Unique) {
+ // Create a temp file.
+ int FileDescriptor;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
+
+ // The same file should return an identical unique id.
+ fs::UniqueID F1, F2;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1));
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2));
+ ASSERT_EQ(F1, F2);
+
+ // Different files should return different unique ids.
+ int FileDescriptor2;
+ SmallString<64> TempPath2;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2));
+
+ fs::UniqueID D;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D));
+ ASSERT_NE(D, F1);
+ ::close(FileDescriptor2);
+
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
+
+ // Two paths representing the same file on disk should still provide the
+ // same unique id. We can test this by making a hard link.
+ ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
+ fs::UniqueID D2;
+ ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2));
+ ASSERT_EQ(D2, F1);
+
+ ::close(FileDescriptor);
+
+ SmallString<128> Dir1;
+ ASSERT_NO_ERROR(
+ fs::createUniqueDirectory("dir1", Dir1));
+ ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F1));
+ ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F2));
+ ASSERT_EQ(F1, F2);
+
+ SmallString<128> Dir2;
+ ASSERT_NO_ERROR(
+ fs::createUniqueDirectory("dir2", Dir2));
+ ASSERT_NO_ERROR(fs::getUniqueID(Dir2.c_str(), F2));
+ ASSERT_NE(F1, F2);
+}
+
TEST_F(FileSystemTest, TempFiles) {
// Create a temp file.
int FileDescriptor;
SmallString<64> TempPath;
ASSERT_NO_ERROR(
- fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor, TempPath));
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
// Make sure it exists.
- bool TempFileExists;
- ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath), TempFileExists));
- EXPECT_TRUE(TempFileExists);
+ ASSERT_TRUE(sys::fs::exists(Twine(TempPath)));
// Create another temp tile.
int FD2;
SmallString<64> TempPath2;
- ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2, TempPath2));
+ ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2));
+ ASSERT_TRUE(TempPath2.endswith(".temp"));
ASSERT_NE(TempPath.str(), TempPath2.str());
- // Try to copy the first to the second.
- EXPECT_EQ(
- fs::copy_file(Twine(TempPath), Twine(TempPath2)), errc::file_exists);
+ fs::file_status A, B;
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
+ EXPECT_FALSE(fs::equivalent(A, B));
::close(FD2);
- // Try again with the proper options.
- ASSERT_NO_ERROR(fs::copy_file(Twine(TempPath), Twine(TempPath2),
- fs::copy_option::overwrite_if_exists));
+
// Remove Temp2.
- ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
- EXPECT_TRUE(TempFileExists);
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
+ ASSERT_EQ(fs::remove(Twine(TempPath2), false),
+ errc::no_such_file_or_directory);
+
+ std::error_code EC = fs::status(TempPath2.c_str(), B);
+ EXPECT_EQ(EC, errc::no_such_file_or_directory);
+ EXPECT_EQ(B.type(), fs::file_type::file_not_found);
// Make sure Temp2 doesn't exist.
- ASSERT_NO_ERROR(fs::exists(Twine(TempPath2), TempFileExists));
- EXPECT_FALSE(TempFileExists);
+ ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist),
+ errc::no_such_file_or_directory);
+
+ SmallString<64> TempPath3;
+ ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3));
+ ASSERT_FALSE(TempPath3.endswith("."));
// Create a hard link to Temp1.
- ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath), Twine(TempPath2)));
+ ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
bool equal;
ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
EXPECT_TRUE(equal);
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
+ ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
+ EXPECT_TRUE(fs::equivalent(A, B));
// Remove Temp1.
::close(FileDescriptor);
- ASSERT_NO_ERROR(fs::remove(Twine(TempPath), TempFileExists));
- EXPECT_TRUE(TempFileExists);
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
// Remove the hard link.
- ASSERT_NO_ERROR(fs::remove(Twine(TempPath2), TempFileExists));
- EXPECT_TRUE(TempFileExists);
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
// Make sure Temp1 doesn't exist.
- ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
- EXPECT_FALSE(TempFileExists);
+ ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist),
+ errc::no_such_file_or_directory);
+
+#ifdef LLVM_ON_WIN32
+ // Path name > 260 chars should get an error.
+ const char *Path270 =
+ "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
+ "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
+ "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
+ "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
+ "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
+ EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath),
+ errc::invalid_argument);
+ // Relative path < 247 chars, no problem.
+ const char *Path216 =
+ "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
+ "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
+ "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
+ "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
+ ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath));
+ ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
+#endif
+}
+
+TEST_F(FileSystemTest, CreateDir) {
+ ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
+ ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
+ ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false),
+ errc::file_exists);
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo"));
+
+#ifdef LLVM_ON_UNIX
+ // Set a 0000 umask so that we can test our directory permissions.
+ mode_t OldUmask = ::umask(0000);
+
+ fs::file_status Status;
+ ASSERT_NO_ERROR(
+ fs::create_directory(Twine(TestDirectory) + "baz500", false,
+ fs::perms::owner_read | fs::perms::owner_exe));
+ ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz500", Status));
+ ASSERT_EQ(Status.permissions() & fs::perms::all_all,
+ fs::perms::owner_read | fs::perms::owner_exe);
+ ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "baz777", false,
+ fs::perms::all_all));
+ ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz777", Status));
+ ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::all_all);
+
+ // Restore umask to be safe.
+ ::umask(OldUmask);
+#endif
+
+#ifdef LLVM_ON_WIN32
+ // Prove that create_directories() can handle a pathname > 248 characters,
+ // which is the documented limit for CreateDirectory().
+ // (248 is MAX_PATH subtracting room for an 8.3 filename.)
+ // Generate a directory path guaranteed to fall into that range.
+ size_t TmpLen = TestDirectory.size();
+ const char *OneDir = "\\123456789";
+ size_t OneDirLen = strlen(OneDir);
+ ASSERT_LT(OneDirLen, 12U);
+ size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1;
+ SmallString<260> LongDir(TestDirectory);
+ for (size_t I = 0; I < NLevels; ++I)
+ LongDir.append(OneDir);
+ ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
+ ASSERT_EQ(fs::create_directories(Twine(LongDir), false),
+ errc::file_exists);
+ // Tidy up, "recursively" removing the directories.
+ StringRef ThisDir(LongDir);
+ for (size_t J = 0; J < NLevels; ++J) {
+ ASSERT_NO_ERROR(fs::remove(ThisDir));
+ ThisDir = path::parent_path(ThisDir);
+ }
+
+ // Similarly for a relative pathname. Need to set the current directory to
+ // TestDirectory so that the one we create ends up in the right place.
+ char PreviousDir[260];
+ size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir);
+ ASSERT_GT(PreviousDirLen, 0U);
+ ASSERT_LT(PreviousDirLen, 260U);
+ ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0);
+ LongDir.clear();
+ // Generate a relative directory name with absolute length > 248.
+ size_t LongDirLen = 249 - TestDirectory.size();
+ LongDir.assign(LongDirLen, 'a');
+ ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir)));
+ // While we're here, prove that .. and . handling works in these long paths.
+ const char *DotDotDirs = "\\..\\.\\b";
+ LongDir.append(DotDotDirs);
+ ASSERT_NO_ERROR(fs::create_directory("b"));
+ ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists);
+ // And clean up.
+ ASSERT_NO_ERROR(fs::remove("b"));
+ ASSERT_NO_ERROR(fs::remove(
+ Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs)))));
+ ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0);
+#endif
}
TEST_F(FileSystemTest, DirectoryIteration) {
- error_code ec;
+ std::error_code ec;
for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
ASSERT_NO_ERROR(ec);
+
+ // Create a known hierarchy to recurse over.
+ ASSERT_NO_ERROR(
+ fs::create_directories(Twine(TestDirectory) + "/recursive/a0/aa1"));
+ ASSERT_NO_ERROR(
+ fs::create_directories(Twine(TestDirectory) + "/recursive/a0/ab1"));
+ ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) +
+ "/recursive/dontlookhere/da1"));
+ ASSERT_NO_ERROR(
+ fs::create_directories(Twine(TestDirectory) + "/recursive/z0/za1"));
+ ASSERT_NO_ERROR(
+ fs::create_directories(Twine(TestDirectory) + "/recursive/pop/p1"));
+ typedef std::vector<std::string> v_t;
+ v_t visited;
+ for (fs::recursive_directory_iterator i(Twine(TestDirectory)
+ + "/recursive", ec), e; i != e; i.increment(ec)){
+ ASSERT_NO_ERROR(ec);
+ if (path::filename(i->path()) == "p1") {
+ i.pop();
+ // FIXME: recursive_directory_iterator should be more robust.
+ if (i == e) break;
+ }
+ if (path::filename(i->path()) == "dontlookhere")
+ i.no_push();
+ visited.push_back(path::filename(i->path()));
+ }
+ v_t::const_iterator a0 = std::find(visited.begin(), visited.end(), "a0");
+ v_t::const_iterator aa1 = std::find(visited.begin(), visited.end(), "aa1");
+ v_t::const_iterator ab1 = std::find(visited.begin(), visited.end(), "ab1");
+ v_t::const_iterator dontlookhere = std::find(visited.begin(), visited.end(),
+ "dontlookhere");
+ v_t::const_iterator da1 = std::find(visited.begin(), visited.end(), "da1");
+ v_t::const_iterator z0 = std::find(visited.begin(), visited.end(), "z0");
+ v_t::const_iterator za1 = std::find(visited.begin(), visited.end(), "za1");
+ v_t::const_iterator pop = std::find(visited.begin(), visited.end(), "pop");
+ v_t::const_iterator p1 = std::find(visited.begin(), visited.end(), "p1");
+
+ // Make sure that each path was visited correctly.
+ ASSERT_NE(a0, visited.end());
+ ASSERT_NE(aa1, visited.end());
+ ASSERT_NE(ab1, visited.end());
+ ASSERT_NE(dontlookhere, visited.end());
+ ASSERT_EQ(da1, visited.end()); // Not visited.
+ ASSERT_NE(z0, visited.end());
+ ASSERT_NE(za1, visited.end());
+ ASSERT_NE(pop, visited.end());
+ ASSERT_EQ(p1, visited.end()); // Not visited.
+
+ // Make sure that parents were visited before children. No other ordering
+ // guarantees can be made across siblings.
+ ASSERT_LT(a0, aa1);
+ ASSERT_LT(a0, ab1);
+ ASSERT_LT(z0, za1);
+
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0"));
+ ASSERT_NO_ERROR(
+ fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0"));
+ ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive"));
}
+const char archive[] = "!<arch>\x0A";
+const char bitcode[] = "\xde\xc0\x17\x0b";
+const char coff_object[] = "\x00\x00......";
+const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
+ "\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
+const char coff_import_library[] = "\x00\x00\xff\xff....";
+const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+const char macho_universal_binary[] = "\xca\xfe\xba\xbe...\0x00";
+const char macho_object[] = "\xfe\xed\xfa\xce..........\x00\x01";
+const char macho_executable[] = "\xfe\xed\xfa\xce..........\x00\x02";
+const char macho_fixed_virtual_memory_shared_lib[] =
+ "\xfe\xed\xfa\xce..........\x00\x03";
+const char macho_core[] = "\xfe\xed\xfa\xce..........\x00\x04";
+const char macho_preload_executable[] = "\xfe\xed\xfa\xce..........\x00\x05";
+const char macho_dynamically_linked_shared_lib[] =
+ "\xfe\xed\xfa\xce..........\x00\x06";
+const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
+const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
+const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
+const char macho_kext_bundle[] = "\xfe\xed\xfa\xce..........\x00\x0b";
+const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
+const char macho_dynamically_linked_shared_lib_stub[] =
+ "\xfe\xed\xfa\xce..........\x00\x09";
+
TEST_F(FileSystemTest, Magic) {
struct type {
const char *filename;
const char *magic_str;
- size_t magic_str_len;
- } types [] = {{"magic.archive", "!<arch>\x0A", 8}};
+ size_t magic_str_len;
+ fs::file_magic magic;
+ } types[] = {
+#define DEFINE(magic) \
+ { #magic, magic, sizeof(magic), fs::file_magic::magic }
+ DEFINE(archive),
+ DEFINE(bitcode),
+ DEFINE(coff_object),
+ { "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object },
+ DEFINE(coff_import_library),
+ DEFINE(elf_relocatable),
+ DEFINE(macho_universal_binary),
+ DEFINE(macho_object),
+ DEFINE(macho_executable),
+ DEFINE(macho_fixed_virtual_memory_shared_lib),
+ DEFINE(macho_core),
+ DEFINE(macho_preload_executable),
+ DEFINE(macho_dynamically_linked_shared_lib),
+ DEFINE(macho_dynamic_linker),
+ DEFINE(macho_bundle),
+ DEFINE(macho_dynamically_linked_shared_lib_stub),
+ DEFINE(macho_dsym_companion),
+ DEFINE(macho_kext_bundle),
+ DEFINE(windows_resource)
+#undef DEFINE
+ };
// Create some files filled with magic.
for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
++i) {
SmallString<128> file_pathname(TestDirectory);
path::append(file_pathname, i->filename);
- std::string ErrMsg;
- raw_fd_ostream file(file_pathname.c_str(), ErrMsg,
- raw_fd_ostream::F_Binary);
+ std::error_code EC;
+ raw_fd_ostream file(file_pathname, EC, sys::fs::F_None);
ASSERT_FALSE(file.has_error());
StringRef magic(i->magic_str, i->magic_str_len);
file << magic;
file.close();
- bool res = false;
- ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res));
- EXPECT_TRUE(res);
+ EXPECT_EQ(i->magic, fs::identify_magic(magic));
+ ASSERT_NO_ERROR(fs::remove(Twine(file_pathname)));
+ }
+}
+
+#ifdef LLVM_ON_WIN32
+TEST_F(FileSystemTest, CarriageReturn) {
+ SmallString<128> FilePathname(TestDirectory);
+ std::error_code EC;
+ path::append(FilePathname, "test");
+
+ {
+ raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text);
+ ASSERT_NO_ERROR(EC);
+ File << '\n';
+ }
+ {
+ auto Buf = MemoryBuffer::getFile(FilePathname.str());
+ EXPECT_TRUE((bool)Buf);
+ EXPECT_EQ(Buf.get()->getBuffer(), "\r\n");
+ }
+
+ {
+ raw_fd_ostream File(FilePathname, EC, sys::fs::F_None);
+ ASSERT_NO_ERROR(EC);
+ File << '\n';
+ }
+ {
+ auto Buf = MemoryBuffer::getFile(FilePathname.str());
+ EXPECT_TRUE((bool)Buf);
+ EXPECT_EQ(Buf.get()->getBuffer(), "\n");
+ }
+ ASSERT_NO_ERROR(fs::remove(Twine(FilePathname)));
+}
+#endif
+
+TEST_F(FileSystemTest, Resize) {
+ int FD;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
+ ASSERT_NO_ERROR(fs::resize_file(FD, 123));
+ fs::file_status Status;
+ ASSERT_NO_ERROR(fs::status(FD, Status));
+ ASSERT_EQ(Status.getSize(), 123U);
+}
+
+TEST_F(FileSystemTest, FileMapping) {
+ // Create a temp file.
+ int FileDescriptor;
+ SmallString<64> TempPath;
+ ASSERT_NO_ERROR(
+ fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
+ unsigned Size = 4096;
+ ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size));
+
+ // Map in temp file and add some content
+ std::error_code EC;
+ StringRef Val("hello there");
+ {
+ fs::mapped_file_region mfr(FileDescriptor,
+ fs::mapped_file_region::readwrite, Size, 0, EC);
+ ASSERT_NO_ERROR(EC);
+ std::copy(Val.begin(), Val.end(), mfr.data());
+ // Explicitly add a 0.
+ mfr.data()[Val.size()] = 0;
+ // Unmap temp file
}
+
+ // Map it back in read-only
+ int FD;
+ EC = fs::openFileForRead(Twine(TempPath), FD);
+ ASSERT_NO_ERROR(EC);
+ fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC);
+ ASSERT_NO_ERROR(EC);
+
+ // Verify content
+ EXPECT_EQ(StringRef(mfr.const_data()), Val);
+
+ // Unmap temp file
+ fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC);
+ ASSERT_NO_ERROR(EC);
+ ASSERT_EQ(close(FD), 0);
}
+TEST(Support, NormalizePath) {
+#if defined(LLVM_ON_WIN32)
+#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
+ EXPECT_EQ(path__, windows__);
+#else
+#define EXPECT_PATH_IS(path__, windows__, not_windows__) \
+ EXPECT_EQ(path__, not_windows__);
+#endif
+
+ SmallString<64> Path1("a");
+ SmallString<64> Path2("a/b");
+ SmallString<64> Path3("a\\b");
+ SmallString<64> Path4("a\\\\b");
+ SmallString<64> Path5("\\a");
+ SmallString<64> Path6("a\\");
+
+ path::native(Path1);
+ EXPECT_PATH_IS(Path1, "a", "a");
+
+ path::native(Path2);
+ EXPECT_PATH_IS(Path2, "a\\b", "a/b");
+
+ path::native(Path3);
+ EXPECT_PATH_IS(Path3, "a\\b", "a/b");
+
+ path::native(Path4);
+ EXPECT_PATH_IS(Path4, "a\\\\b", "a\\\\b");
+
+ path::native(Path5);
+ EXPECT_PATH_IS(Path5, "\\a", "/a");
+
+ path::native(Path6);
+ EXPECT_PATH_IS(Path6, "a\\", "a/");
+
+#undef EXPECT_PATH_IS
+}
+
+TEST(Support, RemoveLeadingDotSlash) {
+ StringRef Path1("././/foolz/wat");
+ StringRef Path2("./////");
+
+ Path1 = path::remove_leading_dotslash(Path1);
+ EXPECT_EQ(Path1, "foolz/wat");
+ Path2 = path::remove_leading_dotslash(Path2);
+ EXPECT_EQ(Path2, "");
+}
+
+static std::string remove_dots(StringRef path,
+ bool remove_dot_dot) {
+ SmallString<256> buffer(path);
+ path::remove_dots(buffer, remove_dot_dot);
+ return buffer.str();
+}
+
+TEST(Support, RemoveDots) {
+#if defined(LLVM_ON_WIN32)
+ EXPECT_EQ("foolz\\wat", remove_dots(".\\.\\\\foolz\\wat", false));
+ EXPECT_EQ("", remove_dots(".\\\\\\\\\\", false));
+
+ EXPECT_EQ("a\\..\\b\\c", remove_dots(".\\a\\..\\b\\c", false));
+ EXPECT_EQ("b\\c", remove_dots(".\\a\\..\\b\\c", true));
+ EXPECT_EQ("c", remove_dots(".\\.\\c", true));
+
+ SmallString<64> Path1(".\\.\\c");
+ EXPECT_TRUE(path::remove_dots(Path1, true));
+ EXPECT_EQ("c", Path1);
+#else
+ EXPECT_EQ("foolz/wat", remove_dots("././/foolz/wat", false));
+ EXPECT_EQ("", remove_dots("./////", false));
+
+ EXPECT_EQ("a/../b/c", remove_dots("./a/../b/c", false));
+ EXPECT_EQ("b/c", remove_dots("./a/../b/c", true));
+ EXPECT_EQ("c", remove_dots("././c", true));
+
+ SmallString<64> Path1("././c");
+ EXPECT_TRUE(path::remove_dots(Path1, true));
+ EXPECT_EQ("c", Path1);
+#endif
+}
} // anonymous namespace
projects / oota-llvm.git / blobdiff